/Engine/Source/Runtime/MovieScene/Public/MovieSceneCommonHelpers.h
Optionally gets the current value of a property on an object
(Optional) The current value of the property on the object
template<typename ValueType> [TOptional](API\Runtime\Core\IO\TOptional)< ValueType > GetOptionalValue ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) & Object )